National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Witham Field Airport (KSUA)

Lat: 27.18°NLon: 80.23°WElev: 13ft.

Fair

88°F

31°C

Humidity 75%
Wind Speed SE 12 mph
Barometer 30.13 in
Dewpoint 79°F (26°C)
Visibility 7.00 mi
Heat Index103°F (39°C)
Last update 18 Jul 6:47 pm EDT
Extended Forecast for

3 Miles SE Port St. Lucie-River Park FL

  • Tonight

    Tonight: Mostly clear, with a low around 76. East southeast wind 5 to 10 mph.

    Low: 76 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 91. Heat index values as high as 102. East wind 5 to 10 mph.

    High: 91 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 74. East wind around 5 mph becoming calm in the evening.

    Low: 74 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 92. Heat index values as high as 102. Light and variable wind becoming east 5 to 10 mph in the afternoon.

    High: 92 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 75. East southeast wind around 5 mph becoming calm in the evening.

    Low: 75 °F

    Mostly Clear

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 93. Southwest wind around 5 mph becoming east in the afternoon.

    High: 93 °F

    Mostly Sunny
    then Chance
    T-storms

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 75. Southeast wind around 5 mph becoming south southwest after midnight.

    Low: 75 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: Showers and thunderstorms likely, mainly after 2pm. Partly sunny, with a high near 91. Southwest wind around 5 mph becoming south southeast in the afternoon. Chance of precipitation is 60%.

    High: 91 °F

    Chance
    T-storms then
    T-storms
    Likely

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 75. South southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%.

    Low: 75 °F

    T-storms
    Likely then
    Chance
    T-storms

Detailed Forecast

Tonight
Mostly clear, with a low around 76. East southeast wind 5 to 10 mph.
Saturday
Sunny, with a high near 91. Heat index values as high as 102. East wind 5 to 10 mph.
Saturday Night
Mostly clear, with a low around 74. East wind around 5 mph becoming calm in the evening.
Sunday
Sunny, with a high near 92. Heat index values as high as 102. Light and variable wind becoming east 5 to 10 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 75. East southeast wind around 5 mph becoming calm in the evening.
Monday
A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 93. Southwest wind around 5 mph becoming east in the afternoon.
Monday Night
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 75. Southeast wind around 5 mph becoming south southwest after midnight.
Tuesday
Showers and thunderstorms likely, mainly after 2pm. Partly sunny, with a high near 91. Southwest wind around 5 mph becoming south southeast in the afternoon. Chance of precipitation is 60%.
Tuesday Night
Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 75. South southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%.
Wednesday
Showers and thunderstorms likely, mainly after 2pm. Mostly sunny, with a high near 91. South southwest wind around 5 mph becoming east southeast in the afternoon. Chance of precipitation is 70%.
Wednesday Night
Showers and thunderstorms likely. Partly cloudy, with a low around 75. South southeast wind around 5 mph. Chance of precipitation is 60%.
Thursday
Showers and thunderstorms likely. Mostly sunny, with a high near 91. Southeast wind 5 to 10 mph. Chance of precipitation is 60%.
Thursday Night
Showers and thunderstorms likely. Partly cloudy, with a low around 76. South southeast wind around 5 mph. Chance of precipitation is 60%.
Friday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91. East southeast wind 5 to 10 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SE Port St. Lucie-River Park FL
 27.29°N 80.31°W (Elev. 3 ft)
Last Update:
7:29 pm EDT Jul 18, 2025
Forecast Valid:
7pm EDT Jul 18, 2025-6pm EDT Jul 25, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation